CEC-381 Fix install progress (#77)

* Fix install progress

* Remove unused components and inline styles

* Update test

* errors are not the final update state

* Remove max width for main container

* Progress starts at 0

src/components/SSOForm/__snapshots__/SSOForm.test.js.snap

@@ -3,8 +3,7 @@
 exports[`Sign In Form Should render 1`] = `
 <div>
   <div
-    class="makeStyles-paper-3"
-    style="justify-content: center;"
+    class="makeStyles-paper-3 makeStyles-textJustifyAlign-48"
   >
     <a
       aria-disabled="false"

src/components/SSOForm/index.jsx

@@ -21,7 +21,7 @@ export default function SignInForm() {
   }, []);
 
   return (
-    <div className={classes.paper} style={{ justifyContent: "center" }}>
+    <div className={`${classes.paper} ${classes.textJustifyAlign}`}>
       <Button
         type="submit"
         variant="contained"